Selective Coloration of Melanin Nanospheres through Resonant Mie Scattering

被引：62

作者：

Cho, Soojeong ^{[1
,2
]}

Shim, Tae Soup ^{[3
,4
]}

Kim, Ju Hyeon ^{[1
]}

Kim, Dong-Hyun ^{[2
,5
]}

Kim, Shin-Hyun ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Daejeon 34141, South Korea

[2] Northwestern Univ, Feinberg Sch Med, Dept Radiol, Chicago, IL 60611 USA

[3] Ajou Univ, Dept Chem Engn, Suwon 16499, South Korea

[4] Ajou Univ, Dept Energy Syst Res, Suwon 16499, South Korea

[5] Robert H Lurie Comprehens Canc Ctr, Chicago, IL 60611 USA

来源：

ADVANCED MATERIALS | 2017年 / 29卷 / 22期

关键词：

HAIR FOLLICLE PIGMENTATION; STRUCTURAL COLORATION; COLORS; BIOLOGY; SKIN;

D O I：

10.1002/adma.201700256

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Black melanin inks are prepared to selectively exhibit colors under strong light, inspired by human hair. High absorbance of melanin suppresses multiple scattering, causing resonant Mie scattering predominant. Various colors can be developed as the resonant wavelength dictated by nanosphere diameter. Therefore, the melanin inks can be used to encrypt and selectively disclose multicolor patterns for anticounterfeiting applications.

引用

页数：7

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